[Mesa-dev] [PATCH 1/2] autotools+dri3: allow building against older xcb (v4)

[Emil Velikov]

On 14 March 2018 at 13:04, Rob Clark <robdclark at gmail.com> wrote:
> From: Dave Airlie <airlied at redhat.com>
>
> I'm not sure everyone wants to be updating their dri3 in a forced
> march setting, this allows a nicer approach, esp when you want
> to build on distro that aren't brand new.
>
> I'm sure there are plenty of ways this patch could be cleaner,
> and I've also not built it against an updated dri3.
>
> For meson I've just left it alone, since if you are using meson
> you probably don't mind xcb updates, and if you are using meson
> you can fix this better than me.
>
> v3: just don't put a version in for dri3/present without
> modifiers, should allow building with 1.11 as well
> v4: small fix to meson build
>
> (feel free to supply meson followups)
>
IIRC Matt seemed also on board with making the new xcb a hard requirement.

I don't know the exact usecase he was thinking, yet gut feeling
suggests that my earlier suggestion [1] should work for everyone -
Dave, Matt, Marek, etc.
If the concern is writing the code - I can help ;-)

HTH
Emil

[1] https://lists.freedesktop.org/archives/mesa-dev/2018-March/188554.html